Hazards ratios (95% CIs) per one SD advantage in childhood IQ in relation to smoking cessation by middle age
| Adjustment | Men (836) | Women (725) |
|---|---|---|
| *Adjusted for father’s occupational social class, family size at time of survey (1962), housing tenure of childhood home at 12 years of age, car ownership at 12 years of age. | ||
| †Adjusted for housing tenure in adulthood, car ownership in adulthood, occupational social class in adulthood, income in adulthood. | ||
| ‡Adjusted for all the above covariates. Analyses are based on 1640 men and 1602 women. | ||
| Unadjusted | 1.24 (1.16 to 1.32) | 1.37 (1.27 to 1.47) |
| Childhood socioeconomic position* | 1.19 (1.11 to 1.27) | 1.29 (1.19 to 1.40) |
| Education | 1.09 (1.00 to 1.18) | 1.15 (1.05 to 1.26) |
| Adult socioeconomic position† | 1.10 (1.02 to 1.18) | 1.21 (1.12 to 1.32) |
| Multiple‡ | 1.02 (0.94 to 1.11) | 1.08 (0.98 to 1.19) |